Phenol Red sodium salt CAS NO.：34487-61-1
Product Name：Phenol Red sodium salt
CAS NO.：34487-61-1
Molecular Formula：C19H13NaO5S
Molecular Weight：376.36
| Appearance | Red liquid or red/brown crystals | Conforms |
| PH domain color | 6.8 (yellow) --- 8.4 (red) | Conforms |
| Water-soluble test | Qualified | Conforms |
| Loss on drying ≤ % | 2 | Conforms |
| Residue on ignition (Sulfate) | 17.0—21.0 | Conforms |